Date: Sat, 10 Jan 2004 00:48:26 +0300 (MSK) From: "."@babolo.ru To: Adam McLaurin <adam.mclaurin@gmx.net> Cc: q_dolan@yahoo.com.au Subject: Re: Intermittent problems with LAN transfer speeds Message-ID: <1073684906.433504.1069.nullmailer@cicuta.babolo.ru> In-Reply-To: <20040108162416.13c13a53.adam.mclaurin@gmx.net>
next in thread | previous in thread | raw e-mail | index | archive | help
> On Thu, 08 Jan 2004 13:02:23 +1000 > Q <q_dolan@yahoo.com.au> wrote: > > > The first thing you should try is setting the ethernet card to use > > autosense. This enables the autosense pulse to be sent to the switch, > > without this some passive/unmanaged switches can get very confused and > > switch speeds and duplex at seemingly random intervals for a while > > before eventually sorting themselves out again. You should only ever > > set > > speed & duplex manually if you can set it at BOTH ends. > > > > The easiest way to identify this as the problem is to do a 'netstat > > -i' > > and check for collisions. If everything on that LAN segment is full > > duplex all the time, there should be none. You will most likely have > > to > > wait for the problem to occur again before the collisions appear. > > A few things .. > > First, both speed & duplex are set manualyl at both ends. In fact, I did > this more than a year ago as a recommendation to solve this particular > problem we're discussing now. In other words, the problem existed before > I manually set speed/duplex, and afterwards. > > Second, the problem doesn't ever sort itself out. If I don't reboot the > server, the problem continues indefinitely. Does ifconfig xx down; ifconfig xx up helps? Can be packet loss triggered by a lot of small packets on this interface?
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?1073684906.433504.1069.nullmailer>